Most merchants evaluate payment processors based on pricing and features. But the infrastructure layer beneath the surface — how a processor connects to card networks, who holds the acquiring relationships, and how transactions are routed globally — has a more direct impact on your authorization rates, fraud exposure, and settlement reliability than almost any feature difference.
The Two Infrastructure Models
Reseller / Aggregator Model
Processors like Stripe and Square are resellers — they process transactions through one or a small number of underlying acquiring banks. The reseller doesn’t have direct card network relationships; instead, it routes through a network of acquirers that hold the actual bank memberships. This model is flexible and allows rapid market entry, but introduces processing intermediaries and limits the reseller’s ability to directly optimize authorization rates or settlement timing.
Direct Acquirer Model
Adyen is a licensed direct acquirer — it holds Visa and Mastercard principal member status in markets globally. This means Adyen connects directly to card networks for authorization and clearing, without routing through third-party acquirers. The direct relationship enables Adyen to negotiate acquiring conditions directly, optimize routing per-transaction, and provide merchants with local acquiring in dozens of markets.
What Infrastructure Differences Mean in Practice
| Factor | Reseller/Aggregator | Direct Acquirer (Adyen) |
|---|---|---|
| Authorization rate optimization | Limited — routes through fixed acquirers | Dynamic — per-transaction routing optimization |
| Local acquiring | Usually US-only | Direct acquiring in 40+ markets |
| Settlement speed | Depends on acquirer chain | Direct clearing, faster settlement |
| Fraud intelligence | Network-level data shared | Direct issuer relationships for 3DS, fraud data |
| Card network relationship | Via acquirer intermediary | Direct Visa/MC principal member |
Authorization Rates: The Invisible Metric That Determines Revenue
A 1% improvement in authorization rate on $1 million/month in volume is $10,000/month in recovered revenue. Most merchants never see their authorization rate as a line item — but it’s one of the most significant differences between processors. Direct acquirers with strong card network relationships and local acquiring presence produce measurably higher authorization rates than resellers, particularly on cross-border and high-value transactions.
ConvesioPay’s Infrastructure Advantage
ConvesioPay is built on Adyen’s direct acquiring infrastructure — bringing enterprise-grade payment processing to WooCommerce merchants and agencies at a transparent flat rate of 2.9% + $0.30 per transaction with no monthly fees.
Ready to get started? Learn more about ConvesioPay or view pricing.